CN103763017A - Data receiving method for user terminal of satellite - Google Patents
Data receiving method for user terminal of satellite Download PDFInfo
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- CN103763017A CN103763017A CN201410022550.3A CN201410022550A CN103763017A CN 103763017 A CN103763017 A CN 103763017A CN 201410022550 A CN201410022550 A CN 201410022550A CN 103763017 A CN103763017 A CN 103763017A
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Abstract
The invention discloses a data receiving method for a user terminal of a satellite. The method includes the steps that firstly, a ground server sends file data needing to be pushed to the satellite and records primary file information of the file data; secondly, the satellite receives the file data and broadcasts the file data to the ground; thirdly, a ground monitoring terminal receives the file data, records received file information, is connected with the ground server and sends the received file information to the ground server; fourthly, the ground server obtains file information which is missed alone by comparing the primary file information with the received file information; fifthly, all file information which is missed alone is compared, file information which is missed together is obtained, and the ground server sends files which are missed together to the satellite.
Description
Technical field
The present invention relates to communication technology of satellite, particularly relate to a kind of data receive method of satellite user terminal.
Background technology
Satellite digital distribution is a kind of new publication and distribution pattern, be to utilize satellite network directly to deliver the distribution service of the digital products such as phonotape and videotape, electron reading (newpapers and periodicals, magazine, books), game, software, industry Zone Information to the user terminal with reception and ability to play, and when user uses, carry out copyright authentication and management.
Existing satellite digital distribution process is, by the digital publication of legal publication, after encryption, first by ground-based server, send data to satellite, then satellite pushes data into user terminal in the mode of broadcast, after authentication deciphering, user applies by equipment browses such as computer, video screen, portable terminal devices.Satellite digital distribution has the features such as wide coverage, propagation velocity is fast, content quality is high, copyright protection is tight, after certainly releasing, receives very big concern in the industry, has opened the brand-new visual field in digital publishing field.
When using above-mentioned data-pushing mode, the situation that exists file data to lose, may occur in the up process that is sent to satellite by ground-based server, also may occur in the descending process that is pushed to user terminal by satellite.Prior art means when solving loss of data, the method for the backup of employing time or wave band backup, but favourable long with the time, the shortcoming that bandwidth occupancy is high.Therefore need to propose a kind of data receive method of satellite user terminal, solve the problem that in satellite digital distribution process, file data is lost.
Summary of the invention
The data receive method that the object of this invention is to provide a kind of satellite user terminal, solves the problem that in satellite digital distribution process, file data is lost.
To achieve these goals, the invention provides a kind of data receive method of satellite user terminal, comprising:
Step 1, ground-based server sends the file data that needs propelling movement to satellite, and described ground-based server records the original file information of described file data simultaneously;
Step 2, file data described in described satellite reception, and broadcast earthward described file data by the mode of broadcast;
Step 3, ground monitoring terminal receives described file data, described ground monitoring terminal records the reception fileinfo of described file data simultaneously, and described ground monitoring terminal through internet is connected with described ground-based server, and described reception fileinfo is sent to described ground-based server;
Step 4, described ground-based server is by more described original file information and described reception fileinfo, obtains described ground monitoring terminal and fails the independent disappearance fileinfo receiving;
Step 5, compares the described independent disappearance fileinfo of all ground monitoring terminals, knows common disappearance fileinfo, and described ground-based server sends to satellite the common disappearance file that described common disappearance fileinfo is corresponding again.
Preferably, in above-mentioned data receive method, step 5 also comprises:
Compare the described independent disappearance fileinfo of all ground monitoring terminals, know that surpassing the part that the ground monitoring terminal of predetermined threshold ratio do not receive lacks fileinfo jointly, described ground-based server again sends described part to satellite and jointly lacks the part that fileinfo is corresponding and jointly lack file.
Preferably, in above-mentioned data receive method, described threshold percentage is 70%-90%.
Preferably, in above-mentioned data receive method, described threshold percentage is 85%.
Preferably, in above-mentioned data receive method, described ground monitoring terminal distributes according to province territory, at least has a described ground monitoring terminal in the geographic range of each province.
Preferably, in above-mentioned data receive method, described ground monitoring terminal distributes according to territory, county, at least has a described ground monitoring terminal in the geographic range in each county.
Preferably, in above-mentioned data receive method, described file data is multimedia video file.
At least there is following technique effect in the present invention:
1) when prior art solves file data loss, conventionally adopt the method for wave band backup, because which missing documents is ground-based server cannot judge, all files need to be uploaded to satellite again, occupied bandwidth is very high.In the present invention by the original file information of accepting fileinfo and ground-based server Transmit message of ground monitoring terminal relatively, just can obtain each ground monitoring terminal and fail the independent disappearance fileinfo receiving, again by the independent disappearance fileinfo of all ground monitoring terminals of contrast, just can know the common disappearance file that all ground monitoring terminals are not all received, by ground-based server, will jointly lack file and again send and can solve whole user files disappearance problems, and avoid all files again to upload the too high phenomenon of occupied bandwidth.
2) in the present invention, by contrast all ground monitoring terminals independent disappearance fileinfo, also can obtain the part that the ground monitoring terminal over threshold percentage all do not receive and jointly lack fileinfo, by part, jointly lack fileinfo and can find local common disappearance file, by ground-based server, part is lacked to file broadcast earthward via satellite again jointly, just solved the problem of most of user file disappearance, and avoided all files again to upload the too high phenomenon of occupied bandwidth.
3) in the present invention, setting threshold ratio is 70%-90%, preferential setting threshold ratio is 85%, represent that the ground monitoring terminal over 85% does not all receive local common disappearance file, only there is 15% ground monitoring terminal to receive local common disappearance file, now by ground-based server, upload local common disappearance file again and can solve most of user file disappearance problem.
4) ground monitoring terminal is used for monitoring terrestrial user file reception condition, at least one ground monitoring terminal is set in the geographic range in each county, at least one ground monitoring terminal is set in the geographic range of each province, when there being user file to receive when imperfect, can be to the ground monitoring terminal feedback in County Level Regional, obtain in time complete file data, guaranteed that user receives the integrality of file data and ageing.
Accompanying drawing explanation
Hereinafter in exemplary and nonrestrictive mode, describe specific embodiments more of the present invention in detail with reference to the accompanying drawings.In accompanying drawing, identical Reference numeral has indicated same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not draw in proportion.In accompanying drawing:
Fig. 1 is user terminal data method of reseptance flow chart.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing, specific embodiment is described in detail.
As shown in Figure 1, the embodiment of the present invention provides a kind of data receive method of satellite user terminal, comprising:
When prior art solves file data loss, conventionally adopt the method for wave band backup, because which missing documents is ground-based server cannot judge, all files need to be uploaded to satellite again, occupied bandwidth is very high.In the present invention by the original file information of accepting fileinfo and ground-based server Transmit message of ground monitoring terminal relatively, just can obtain each ground monitoring terminal and fail the independent disappearance fileinfo receiving, again by the independent disappearance fileinfo of all ground monitoring terminals of contrast, just can know the common disappearance file that all ground monitoring terminals are not all received, the reason that common disappearance file produces is that satellite is not broadcasted mostly, namely file is not successfully uploaded to satellite, so need to will jointly lack file by ground-based server, again send to satellite, satellite will be broadcasted again, can solve whole user file disappearance problems, avoided all files again to upload the too high phenomenon of occupied bandwidth.
As shown in Figure 1, step 105 also comprises, compare the independent disappearance fileinfo of all ground monitoring terminals, know that surpassing the part that the ground monitoring terminal of predetermined threshold ratio all do not receive lacks fileinfo jointly, ground-based server again sends local common disappearance part corresponding to fileinfo to satellite and jointly lacks file.
As from the foregoing, by contrasting the independent disappearance fileinfo of all ground monitoring terminals, can also obtain the part that the ground monitoring terminal over threshold percentage all do not receive and jointly lack fileinfo, by part, jointly lack fileinfo and can find local common disappearance file, by ground-based server, part is lacked to file broadcast earthward via satellite again jointly, just solved the problem of most of user file disappearance, and avoided all files again to upload the too high phenomenon of occupied bandwidth.
The generation of local common disappearance file, illustrate and have at least a part of user successfully to receive file, illustrate that satellite broadcasts, no problem to the upload procedure of satellite by ground-based server, if but have most of user all not receive, still be necessary again by ground-based server, to be uploaded to satellite, again broadcast.
In another embodiment of the present invention, setting threshold ratio is 70%-90%, preferential setting threshold ratio is 85%, represent that the ground monitoring terminal over 85% does not all receive local common disappearance file, only there is 15% ground monitoring terminal to receive local common disappearance file, now by ground-based server, upload local common disappearance file again and can solve most of user file disappearance problem; If what threshold percentage was arranged is too low, the user who receives local common disappearance file becomes many, satellite again broadcasting file data for user very few, easily cause the file data waste of satellite broadcasting.
In another embodiment of the present invention, ground monitoring terminal is used for monitoring terrestrial user file reception condition, at least one ground monitoring terminal is set in the geographic range in each county, at least one ground monitoring terminal is set in the geographic range of each province, when there being user file to receive when imperfect, can obtain in time complete file data to the ground monitoring terminal feedback in County Level Regional, guarantee that user receives the integrality of file data and ageing.
As from the foregoing, the embodiment of the present invention has following advantage:
1) when prior art solves file data loss, conventionally adopt the method for wave band backup, because which missing documents is ground-based server cannot judge, all files need to be uploaded to satellite again, occupied bandwidth is very high.In the present invention by the original file information of accepting fileinfo and ground-based server Transmit message of ground monitoring terminal relatively, just can obtain each ground monitoring terminal and fail the independent disappearance fileinfo receiving, again by the independent disappearance fileinfo of all ground monitoring terminals of contrast, just can know the common disappearance file that all ground monitoring terminals are not all received, by ground-based server, will jointly lack file and again send and can solve whole user files disappearance problems, and avoid all files again to upload the too high phenomenon of occupied bandwidth.
2) in the present invention, by contrast all ground monitoring terminals independent disappearance fileinfo, also can obtain the part that the ground monitoring terminal over threshold percentage all do not receive and jointly lack fileinfo, by part, jointly lack fileinfo and can find local common disappearance file, by ground-based server, part is lacked to file broadcast earthward via satellite again jointly, just solved the problem of most of user file disappearance, and avoided all files again to upload the too high phenomenon of occupied bandwidth.
3) in the present invention, setting threshold ratio is 70%-90%, preferential setting threshold ratio is 85%, represent that the ground monitoring terminal over 85% does not all receive local common disappearance file, only there is 15% ground monitoring terminal to receive local common disappearance file, now by ground-based server, upload local common disappearance file again and can solve most of user file disappearance problem.
4) ground monitoring terminal is used for monitoring terrestrial user file reception condition, at least one ground monitoring terminal is set in the geographic range in each county, at least one ground monitoring terminal is set in the geographic range of each province, when there being user file to receive when imperfect, can be to the ground monitoring terminal feedback in County Level Regional, obtain in time complete file data, guaranteed that user receives the integrality of file data and ageing.
So far, those skilled in the art will recognize that, although detailed, illustrate and described a plurality of exemplary embodiment of the present invention herein, but, without departing from the spirit and scope of the present invention, still can directly determine or derive many other modification or the modification that meets the principle of the invention according to content disclosed by the invention.Therefore, scope of the present invention should be understood and regard as and cover all these other modification or modifications.
Claims (7)
1. a data receive method for satellite user terminal, is characterized in that, comprising:
Step 1, ground-based server sends the file data that needs propelling movement to satellite, and described ground-based server records the original file information of described file data simultaneously;
Step 2, file data described in described satellite reception, and broadcast earthward described file data by the mode of broadcast;
Step 3, ground monitoring terminal receives described file data, described ground monitoring terminal records the reception fileinfo of described file data simultaneously, and described ground monitoring terminal through internet is connected with described ground-based server, and described reception fileinfo is sent to described ground-based server;
Step 4, described ground-based server is by more described original file information and described reception fileinfo, obtains described ground monitoring terminal and fails the independent disappearance fileinfo receiving;
Step 5, compares the described independent disappearance fileinfo of all ground monitoring terminals, knows common disappearance fileinfo, and described ground-based server sends to satellite the common disappearance file that described common disappearance fileinfo is corresponding again.
2. data receive method according to claim 1, is characterized in that, described step 5 also comprises:
Compare the described independent disappearance fileinfo of all ground monitoring terminals, know that surpassing the part that the ground monitoring terminal of predetermined threshold ratio do not receive lacks fileinfo jointly, described ground-based server again sends described part to satellite and jointly lacks the part that fileinfo is corresponding and jointly lack file.
3. data receive method according to claim 2, is characterized in that, described threshold percentage is 70%-90%.
4. data receive method according to claim 3, is characterized in that, described threshold percentage is 85%.
5. according to the data receive method described in any one in claim 1-4, it is characterized in that, described ground monitoring terminal distributes according to province territory, at least has a described ground monitoring terminal in the geographic range of each province.
6. data receive method according to claim 5, is characterized in that, described ground monitoring terminal distributes according to territory, county, at least has a described ground monitoring terminal in the geographic range in each county.
7. data receive method according to claim 1, is characterized in that, described file data is multimedia video file.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410022550.3A CN103763017B (en) | 2014-01-17 | 2014-01-17 | Data receiving method for user terminal of satellite |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410022550.3A CN103763017B (en) | 2014-01-17 | 2014-01-17 | Data receiving method for user terminal of satellite |
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| CN103763017A true CN103763017A (en) | 2014-04-30 |
| CN103763017B CN103763017B (en) | 2017-02-22 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0828353A2 (en) * | 1996-09-09 | 1998-03-11 | ICO Services Ltd. | Registration method and apparatus in mobile communication system |
| US6088571A (en) * | 1998-01-30 | 2000-07-11 | Motorola, Inc. | Method and apparatus for multi-constellation satellite broadcast with error correction |
| US20030058810A1 (en) * | 2001-09-26 | 2003-03-27 | Mark Petronic | Hybrid satellite system for providing one-way and two-way communication services |
| CN102118692A (en) * | 2009-12-30 | 2011-07-06 | 上海无线通信研究中心 | Information retransmitting method for improving multicast efficiency of cellular system |
| CN103763018A (en) * | 2014-01-17 | 2014-04-30 | 航天数字传媒有限公司 | Data receiving method for user terminal of satellite |
-
2014
- 2014-01-17 CN CN201410022550.3A patent/CN103763017B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0828353A2 (en) * | 1996-09-09 | 1998-03-11 | ICO Services Ltd. | Registration method and apparatus in mobile communication system |
| US6088571A (en) * | 1998-01-30 | 2000-07-11 | Motorola, Inc. | Method and apparatus for multi-constellation satellite broadcast with error correction |
| US20030058810A1 (en) * | 2001-09-26 | 2003-03-27 | Mark Petronic | Hybrid satellite system for providing one-way and two-way communication services |
| CN102118692A (en) * | 2009-12-30 | 2011-07-06 | 上海无线通信研究中心 | Information retransmitting method for improving multicast efficiency of cellular system |
| CN103763018A (en) * | 2014-01-17 | 2014-04-30 | 航天数字传媒有限公司 | Data receiving method for user terminal of satellite |
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| CN103763017B (en) | 2017-02-22 |
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Granted publication date: 20170222 Termination date: 20220117 |